Vaillant O-Ring, (x10) 981158 VC 1006+1206/5-5 R2 VC 1006+1206/5-5 R3 VC 1006+1206/5-5 R4 VC 105 E VC 105/2 E VC 107 E VC 126+196+246 E-C VC 126+196+246/2-C VC 136+206+276/2-E VC 136+276-E VC 146+206+276/4-7 VC 166+206+256 E VC 194 XE-C VC 194/2 XE-C VC 195 E-C VC 195/2 E-C VC 204+254 XE VC 204+254/2 XE VC 205+255 E VC 205+255/2 E VC 356/2-E VC 356/4-7 (A) VC 356-E VC 466/2-E VC 466/4-7 (A) VC 466-E VC 64+104 XE VC 64+104/2 XE VC 656/4-7 (A) VC 656-E VC 66+106 E VC 806/5-5 R2 VC 806/5-5 R3 VC 806/5-5 R4 VCC 206/4-5 150 (R1) VCC 266/4-5 150 (R1) VCW 194 XE-C VCW 194/2 XE-C VCW 195 E-C VCW 195/2 E-C VCW 196+246 E-C VCW 196+246/2-C VCW 204+254 XE VCW 204+254/2 XE VCW 205+255 E VCW 205+255/2 E VCW 206+256 E VKK 186+256+356+486/5 VKK 186+256+356+486/5 R1 VSC 146+206/4-5 150 (R1) VSC 146+206/4-5 200 (R1) VSC 146+206/4-5 90 (R1) VSC 266/4-5 150 (R1) VSC 266/4-5 200 (R1) VSC D 146+206/4-5 150 R1 VSC D 146+206/4-5 190 R1 VSC S 146+206/4-5 150 (R1) VSC S 146+206/4-5 190 (R1)